Elaziz, Omar Abd, et al. “Liquid Chromatography-Electro Spray Ionization Tandem Mass Spectrometry for Simultaneous Determination of Moexipril and Its Active Metabolite Moexiprilat in Human Plasma”. European Journal of Chemistry, vol. 5, no. 4, Dec. 2014, pp. 662-7, doi:10.5155/eurjchem.5.4.662-667.1090.